1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index ba1eb8b38e00..bb604dfbdef6 100644
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -1570,11 +1570,13 @@ int ata_timing_compute(struct ata_device *adev, unsigned short speed,
 
         /*
          * Find the mode. 
-        */
+         */
 
         if (!(s = ata_timing_find_mode(speed)))
                 return -EINVAL;
 
+        memcpy(t, s, sizeof(*s));
+
         /*
          * If the drive is an EIDE drive, it can tell us it needs extended
          * PIO/MW_DMA cycle timing.
@@ -1595,7 +1597,7 @@ int ata_timing_compute(struct ata_device *adev, unsigned short speed,
          * Convert the timing to bus clock counts.
          */
 
-        ata_timing_quantize(s, t, T, UT);
+        ata_timing_quantize(t, t, T, UT);
 
         /*
          * Even in DMA/UDMA modes we still use PIO access for IDENTIFY, S.M.A.R.T